Toothbrush head



FIG. 1 is a perspective view of a toothbrush head showing the new design;

FIG. 2 is a front view of the toothbrush head of FIG. 1;

FIG. 3 is a right side view of the toothbrush head of FIG. 1;

FIG. 4 is a left side view of the toothbrush head of FIG. 1;

FIG. 5 is a rear view of the toothbrush head of FIG. 1; and,

FIG. 6 is a top plan view of the toothbrush head of FIG. 1.

The broken lines are environmental and are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a toothbrush head, as shown and described. 